osf_wait4: switch to kernel_wait4()

... and sanitize copying rusage to userland

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index a978d7189cfd..6b830fd9d809 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -9,6 +9,7 @@
 #include <linux/sched.h>
 
 struct task_struct;
+struct rusage;
 union thread_union;
 
 /*
@@ -74,6 +75,7 @@ extern long _do_fork(unsigned long, unsigned long, unsigned long, int __user *,
 extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, int __user *);
 struct task_struct *fork_idle(int);
 extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+extern long kernel_wait4(pid_t, int *, int, struct rusage *);
 
 extern void free_task(struct task_struct *tsk);